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Otome No Iroha!

Alternative Titles: A Maiden's Beginning!

Authors:
Mikage (story & Art)

Synopsis:

Iroha, a masculine girl, and Hifumi, a feminine boy, are siblings who have transferred to a different middle school and moved to their grandparents house. However, after the first night, much to their surprise... they've switched genders. The two are left feeling "delighted"...